Use make targets in CI instead of golangci-lint-action

Single source of truth: Makefile controls linter version,
config, and flags. CI just calls make lint.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Nikolo

.github/workflows/makefile.yml

@@ -20,21 +20,17 @@ jobs:
       - name: Run tests
         run: make test
 
-  golangci:
-    name: golangci-lint
+  lint:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-go@v5
+      - name: Setup Go
+        uses: actions/setup-go@v5
         with:
           go-version: '1.24'
 
-      - name: golangci-lint
-        uses: golangci/golangci-lint-action@v6
-        with:
-          version: v1.64
-          args: --build-tags=activerecord
-          only-new-issues: true
+      - name: Run lint
+        run: make lint